The purpose of this study was to determine the effects of Teachers Teaching Teachers, a peer coaching program, upon public school educators' attitudes toward various professional and personal factors. A total of 27 educators participated from November, 1987 to May, 1988. At the conclusion of the study, tests were administered to all participants. Two attitude surveys were also administered to students to determine their perception of their teacher's effectiveness. A TESA Program Evaluation Survey was also administered to the participants. The mean scores were compared to determine the project's effectiveness. The results indicated that the teachers were performing the objectives of the program as demonstrated by the post test scores. The program appears to have been effective in improving teacher attitude, enhancing collegial support, and in increasing the students' perception of their teachers' effectiveness. Project participants indicated general approval of the project and the instruction they received. They were less enthusiastic about lessons on higher level questions, touching, and desisting. Statistical data from the study are displayed in tables and a copy of the questionnaire is appended. (Author/JD)